Add a Mojo EDK for Chrome that uses one OS pipe per message pipe.

ipc/mojo/ipc_mojo_perftest.cc

Index: ipc/mojo/ipc_mojo_perftest.cc
diff --git a/ipc/mojo/ipc_mojo_perftest.cc b/ipc/mojo/ipc_mojo_perftest.cc
index 17a43a077e63eb61a8436fb576042037334b9163..bbfb63297a64b09ae8e2929a4d35395a90601479 100644
--- a/ipc/mojo/ipc_mojo_perftest.cc
+++ b/ipc/mojo/ipc_mojo_perftest.cc
@@ -6,7 +6,14 @@
 #include "base/run_loop.h"
 #include "ipc/ipc_perftest_support.h"
 #include "ipc/mojo/ipc_channel_mojo.h"
+
+#if defined(USE_CHROME_EDK)
+#include "mojo/edk/embedder/platform_channel_pair.h"
+#include "mojo/edk/embedder/test_embedder.h"
+#else
+#include "third_party/mojo/src/mojo/edk/embedder/platform_channel_pair.h"
 #include "third_party/mojo/src/mojo/edk/embedder/test_embedder.h"
+#endif
 
 namespace {
 
@@ -65,6 +72,20 @@ TEST_F(MojoChannelPerfTest, ChannelProxyPingPong) {
   run_loop.RunUntilIdle();
 }
 
+
+TEST_F(MojoChannelPerfTest, DISABLED_MaxChannelCount) {
+#if defined(OS_POSIX)
+  LOG(INFO) << "base::GetMaxFds " << base::GetMaxFds();
+  base::SetFdLimit(20000);
+#endif
+
+  std::vector<mojo::embedder::PlatformChannelPair*> channels;
+  for (size_t i = 0; i < 10000; ++i) {
+    LOG(INFO) << "channels size: " << channels.size();
+    channels.push_back(new mojo::embedder::PlatformChannelPair());
+  }
+}
+
 class MojoTestClient : public IPC::test::PingPongTestClient {
  public:
   typedef IPC::test::PingPongTestClient SuperType;